Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

Canadian astronaut Jeremy Hansen is leaving the Canadian Space Agency following his historic Artemis II lunar mission, the ...

Ridley Scott's near-perfect sci-fi horror masterpiece is surging on streaming before the franchise's next release.

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...